In addition to his concert work and recordings, he gives courses, mainly at the Conservatoire à rayonnement régional de Paris [fr].
His duo with the pianist Patrick Zygmanowski won the first prizes at the Paris International Chamber Music Competitions (1994).
In 1997, Thierry Escaich entrusted him with the creation of the Chant des ténèbres[2] (concerto for clarinet and orchestra) at the Festival d'Auvers-sur-Oise [fr].
Héau is also one of the founding members of the musical theatre company "Les Bons Becs", in which he plays the clarinet, but also the sound blade and the tap dance.
Since 1996, the show Tempête sur les anches,[3] musical and poetic joke for clarinets and percussion, has been performed in France but also in many countries (Spain, Sweden, Italy, Denmark, Portugal, Germany, Belgium).